Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The domestic refrigerator uses following type of compressor

2. The bank of tubes at the back of domestic refrigerator is

3. In a refrigeration system, the expansion device is connected between the

4. The capillary tube, as an expansion device, is used in

5. In a lithium bromide absorption refrigeration system

6. A certain refrigerating system has a normal operating suction pressure of 10 kg/cm gauge and condensing pressure of about 67 kg/cm. The refrigerant used is

7. For obtaining high COP, the pressure range of compressor should be

8. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

9. If a heat pump cycle operates between the condenser temperature of +27°C and evaporator temperature of -23°C, then the Carnot COP will be

10. Most thermostatic expansion valves are set for a superheat of


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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